Across
- 4. von Braun An aerospace engineer
- 5. the vertical takeoff
- 9. of pressure the total point of pressure acts on the body or system
- 10. A small rocket engine on a spacecraft
- 12. a substance that causes something to move
- 14. An object that can be propelled to a certain hieght
Down
- 1. move or advance forcefully
- 2. consisting of laminae
- 3. The speed of something
- 6. impulse The thrust times duration over the motor burn time
- 7. disorder of not controlled or calm
- 8. third law of motion There is an equal or opppsite reaction
- 11. Robert H. Goddard made first liquid fueled rocket
- 13. To pull something with force
